Flimflamdw의 댓글

mvallas의 댓글

Damn...I was hoping you can keep it in the "holiday token" as an inventory item. Maybe a future vendor will allow you to get it back?

Xebys의 댓글

I believe this will be most difficult due to the fact that over the past years that I have participated in this event, I have received the same mask countless times. I mean, I'd get a gnome mask 3 times and a Tauren 4 times, etc. Unless Blizzard has done some coding to make sure people don't end up with duplicates, which I doubt, only a few lucky people will get this one quest done the first year.

Haalitrox의 댓글

The same could be said for Sinister Calling and several other holiday achievements. Blizzard has probably designed some of these to be difficult and/or luck-based because they want the Violet Proto-Drake to be challenging to obtain.

XodoK의 댓글

This achievement is no longer a part of "Hallowed Be Thy Name" meta-achievement.

mrcollect의 댓글

Quote from: Tigole (Source)We removed the mask achievement from the "Hallowed Be The Name" meta-achievement. This will go live in 3.0.3

3.0.3 will most likely happen during the event.

If you happen to fulfill all of the criteria with the exception of the 20 mask criteria before that patch goes live the achievement will stay incomplete until the day patch 3.0.3 goes live. As soon as the patch goes live, you'll have the achievement as well as the title.

heyjim의 댓글

Just to clarify, this does not concern the Sinister Squashling achievement, we have yet to hear about updates on that yet.

satukie의 댓글

I have done this 7 times on each of my 9 chars so far.(Masks are not linked to all your chars, if you get it on char A then A is the only one who gets it)Here are my numbers:

14 Masks out of 64, 21% chance to get a mask28% chance that mask will be a mask you have

To finish this you are looking at ~200 trick or treats I'd sayIn other words you either need to get really lucky or trick or treat every hour for the next 2 weeks while the event is up

If anyone wants to take my stats farther please do.

fsngnshiekfan의 댓글

Heh I have female Night Elf and Dwarf at the moment, funny you have neither, just goes to show that its all random.

wolfjr의 댓글

There are 332 hours over the course of 2 weeks. Counting the 2 extended days this event is active (started on 10/18 ends on 11/02) that would give you a grand total of 380 hours. You can trick or treat every hour because of the debuff preventing you from doing so. So, theoretically you have 380 attempts to get all the masks.

There are a total of 20 masks to be obtained, and your chances of getting a new mask drops every time you obtain a new one. Out of the 380 times you can do this, you only need 20 successful attempts where you get a new mask, assuming that you haven't been tricked, received a bad of toothpicks, or the 1 slot bad.

Good luck! :D

GilesWoW의 댓글

From what I can see so far this achievement is required in order to complete the Hallowed By The Name achievement. Patch 3.0.3 Live

wodkalimes의 댓글

and if you get a mask on an other character does it count as complete on other character 2 for the achievement?

Heretic666의 댓글

There aren't even Draenei or Blood Elf masks, so it's logical that this achievement is getting removed.

wodkalimes의 댓글

source of why it's getting removed?

Manestone의 댓글

I think participating in every event for an entire year should be all that's required for Violet DAMN YOU RNG

Alma의 댓글

I've verified with a junk alt that, once you obtain a mask, you can safely throw it away and still retain credit. This should be great news for anyone who doesn't want to waste 20 slots on garbage items just to obtain this achievement.

shadow1515의 댓글

I don't know what Blizz was thinking with this one. I trick or treated 11 times today and didn't get a single mask. It's entirely possible, and maybe even likely given the abysmal rate at which these seem to be obtained, that someone could literally trick or treat once per hour for the entire event and still not get the achievement. It should have been a feat of strength.

Puggan의 댓글

What is the droprate?

i did a simulation of 20 items whit 1% droprate each.after 500 runs i got:

merujo의 댓글

Take a look at mrcollect's comment!If u manage to do all the other achievements besides this one, u can get the title. Im much more pleased now, because getting all those masks is a super pita imo!

by Tigole:

3.0.3 will most likely happen during the event.

If you happen to fulfill all of the criteria with the exception of the 20 mask criteria before that patch goes live the achievement will stay incomplete until the day patch 3.0.3 goes live. As soon as the patch goes live, you'll have the achievement as well as the title.

Xaiden의 댓글

Tiamat114의 댓글

These masks do not come exclusively from trick-or-treating, they can also be found in http://www.wowhead.com/?item=34077 a reward from smashing the pumpkin the Headless Horseman leaves behind after extinguishing the fires and slaying him.

This is somewhat irrelevant as this achievement is being removed in 3.0.3 but I suspect this was how it was intended to help you get them as the event comes and goes in a reasonable time period.

vexis58의 댓글

It's actually slightly more chances, since it's also possible to get masks from the Crudely Wrapped Gift obtained from the daily quest at any starting village. I got a gnome female mask from one yesterday on one of my characters.

Though across five alts for the past three days, I have yet to see either a Blood Elf or a Draenei mask, and it's certainly not in the drop list for the Crudely Wrapped Gift OR the Treat Bag you get from trick or treating. They're not removing this requirement because it's luck-based, they're removing it because it's IMPOSSIBLE.

EDIT 10/30/2008: I got a Flimsy Male Draenei Mask today on one of my characters. They must have hotfixed it since I last posted.

fibby의 댓글

According to wowhead data, there is approximately 30% chance that a Treat Bag will contain one of the masks, or 1.5% chance for each mask. Note that 4 of those masks are not even in game yet (i tried manually creating itemlink and it didnt work), but let's assume they will be added shortly.

Each time you ask for "trick or treat" there is a chance that you will be tricked and don't get any reward at all. According to my experience chances are not 50/50, but closer to 33/66. If so, then probability of getting a certain mask for a single "attempt" at talking to an inkeeper is a=1%.

If so, then simple algebra shows that probability of getting all 20 masks after n "attempts" is approximatelyP = ^20 = (1-0.99^n)^20

hellboyxxafk6의 댓글

Ya so i have been trick or treating since 4 A.M. the day that Hallows End started and i have yet to obtain this achievement, in fact i have only gotten 1 female orc mask and i have gotten about 200 gnerds and countless other useless candy. I am very glad that they are getting rid of this because come tomorrow i have my Hallowed title :) GJ blizzard!

Falos의 댓글

...ouch...

Nakumari의 댓글

Yea.....If you have absolutly no life at all....

Wanderingsage의 댓글

Don't forget about the lost hours for server maintenance.

badkharma의 댓글

Removed "A Mask for All Occassions" as criteria for the "Hallowed Be thy Name" meta achievement.

just fyi

zingar의 댓글

does anyone know for sure you cant get the same mask more than 1 time? i mean if you cant get the same mask more than 1 time, chances are WAY higher. i know in the past you could get the same mask many times but maybe that was changed?

NovaDeez의 댓글

You can definitely get the same mask multiple times. Just happened to me earlier today :'(

Saldor의 댓글

as far as i can see, after patch 3.0.2 going live the achievment is still there =/

tayharri의 댓글

The change is taking affect 3.0.3.

Sokz의 댓글

I'm not sure why this post was rated +12 considering its false you DO need this for the "Hallowed Be Thy Name" achievement

Dorminus의 댓글

Been trick or treating since the start of this year's Hallow's End and have yet to obtain a single mask. I've completed just about everything else with the exception of the squashling, I think I'm calling that I'm not getting the title but good luck to everyone else.

tale의 댓글

Reality checks on statistics can be tricky, MisterMerf. Do you know how many people need to be in a room to have a better than even chance two people will share the same birthday? Only 23. And it takes only 7 for a better than even chance that two people in the set will have a birthday within a week of each other.

Your simulation is not testing how to pick 20 unique items, it is counting how many times one item out of a 100 gets picked. Here's a quick C++ program I threw together that takes the chances of getting tricked and the chances of getting any mask (including duplicates) into account.

The results are in the ballpark of fibby's. When run 1,000,000 times (though it converges in fewer than 1,000) with his 1.5% chance of a given mask in a bag and 33% chance of being tricked instead of treated, it takes an average of 360ish tries to get all 20 unique masks. Current wowhead data suggests that the chance per mask is more like 2%, or 40% for any mask to be in a bag, which lowers the average number of tries to 270, which is still pretty terrible.

Running it with 0 tricks and 100 percent chance of any mask to be in the bag, it STILL takes typically 72 tries to get all 20, thanks to duplicates.

I've been doing it enough that I expect to have more than 300 tries on each of my characters, yet the numbers are still bad enough that I don't expect to earn the achievement on any of them. I'm glad they're removing it from the meta achievement. On the other hand, it looks like I'm going to have enough candy to feed me for a year, and its the nice percentage-of-health kind instead of flat numbers.

FeyakGorale의 댓글

What would have made this achievement work, would have been to change the wording on the achievement as well as the mask.

If the Achievement stated that you had to wear one of each of the masks, and made the masks BoE then people could trade their doubles.

Personally I believe that it should have been done this way, but *shrugs* oh well they are removing it anyway ^.^.

fibo의 댓글

The formula (1-0.99^n)^20 is incorrect unfortunately. It doesn't take into account that there actually are 20 unique masks. The probability for obtaining the first mask is 20% for each try and only for the last mask the probability is 1% (expecting 100 tries to obtain the last mask). The formula is incorrect even if the chance would be 1% every time, because in the way it's written it actually uses 20*n tries. The real formula is not that easily obtained.

Simulation would give you the following values (the numbers should be accurate to the final digit).

n=50 => P=0%n=100 => P=0.005%n=180 => P=2.42%n=360 => P=57.73%

I used 10^7 simulations. Seems like the formula gets fairly close to the correct numbers, but it doesn't change the fact that it's wrong.

Ralila의 댓글

How sure is everyone that it will be removed? I have everything else for "Hallowed Be Thy Name" (including two squashlings and three hallowed helms).I trick or treat every hour, and since I have a young baby, when he wakes up at night, I quick log on and trick or treat then too. Also doing the dailies to get the crudely wrapped gift.I only have 3 masks though, so if i keeps up like this, I will not get the achievement :(I'm keeping my fingers crossed that they take it out of the achievement requirements!

February의 댓글

that is incorrect, i still need it...

shiii의 댓글

thats wrong, sinister calling needs you to collect 2 items, they can be both obtained from headless horseman, trick or treat and the "smash the pumpkin" daily quest. thats way easier....

Gordaen의 댓글

I do not think that this achievement is possible in 2008. First of all, and this has been touched upon rather well by the posts above me, the chances of doing it during the holiday even if you don't sleep are pretty terrible.

But, more importantly, I have yet to hear of anyone getting a Blood Elf and Draenei mask through any anecdotal evidence; I'm pretty sure that they don't exist. If anyone has gotten a Blood Elf or Draenei mask, please correct me.

If I'm right, it's not just unlikely that you can do this achievement in 2008... it is downright impossible.

zingar의 댓글

making them boe would make this achievement more of a money inversion achievement than anything else, wouldnt really feel nice once you accomplished it. imo they should just make the masks unique or something so that you dont get the same mask many times, thats what makes this achievement so hard. also removing some of the lame things you can get in the treat bag would help :)

chknnuggts의 댓글

It looks like this entire achievement may be removed, largely since the Draenei and Blood Elf masks do not appear to be in game.

Stigmata의 댓글

I find it positively hilarious that people have to show off their math / probability skills, show it to us , and call it "simple"

I'm glad that they're removing this achievement, but the downside is that the title will be relatively common. I was hoping to actually have something special.

yodamc2의 댓글

Fibo's explanation as to why the formula is wrong is incorrect. He may be seeing it the complicated way and his formula should converge to fibby's if he did it correctly (although he doesn't seem to be and i proposed another idea based off that that may in fact give the exact formula).Fibby's formula would be exactly right if it really were 1% chance for every mask to be in the bag. The only problem is not what you mentioned but the fact that you cannot have 2 masks in the same bag if i understand the bag algorithm correctly (if it were 1% you would get 2 masks 1 / 10 000 of the time on average). In the same way, you would have a one in a million probability of getting 3 masks in a bag and 1 / 100^20 to get all of them). If this were true, then the formula ^20 such that p is drop-rate and n is number of tries; would be correct.

The proper explanation for the way you may see the problem is that the probability of getting a mask you don't have is 20% for the first, 1% for the last, and 20-M % (M is number of distinct masks acquired so far) every time in between. As you mentioned the formula gets pretty complicated since the number of tries between each augments after every success, etc. But may be correct since you can't have more than one mask (otherwise this would be wrong, it wouldn't be (20-M) / 100). So no he's not really wrong except for the tiny detail

Overall: since (1-0.99^n)^20 is off by less than 0.000101... per try, it is a good formula because the precision in "1% drop rate" dwarfs the formula's error. (It may be 1.3% or even 1.8%...)

But yes regardless of the details, even if you try really hard don't expect to get this achievement!

shadowcrawler의 댓글

Blizzard was smart removing this from the meta-achievement. The luck you need to get this in one hallowed event period is extreme. Ive trick or treated about 15 times and only got 2 masks that weren't dupes

zerolaw의 댓글

just need 5 more. im missing both sexes of blood elf and draenei. has anyone else gotten these 4?

Hornagaur의 댓글

omg, go do something usefull with that Algebra, dont waste it on Flimsy Masks

gauragangur의 댓글

As of 3.0.3 this achievement will be removed so go go go and get the rest of the achievements before its to late !

zerolaw의 댓글

ive got all 16 and just missing the 4 that arnt ingame =(

i want the achievement and title before anyone else dammnit

Szenko의 댓글

Okay guys here is the deal (and you can believe me, i'm a mathematician):

We have 20 masks -> {1, 2, 3, ..., 20}.

Let's define A the outcome when we don't get the i mask.

This way P(A)=0.99 (i=1,..., 20). from now on P(A)=p.

Now the outcome A := (A union A union ... union A) means that we don't get one of the masks. We need now P(A,n) and it screams for Inclusion-exclusion principle. (P(A,n) = we dont get all the different masks out of n tries.)

Here: P(A intersect A, n) = (1-P(A)-P(A))^n = (1-2*p)^n Obviously it makes no difference if we assume that we dont get 1 and 2 mask or 1 and 3 or any pairs. These outcomes have the same probability, thus:

Icipher의 댓글

You do realise that the wand acheivement is people using those wands on YOU right? You don't have to get each wand yourself.

Just ask your guild, or ask around on the trade channel a bit, maybe offer a tip and you'll get The Masquerade in no time.

tale의 댓글

I uprated you for showing the final answer on the math, but really the chance of getting this achievement per infinite Trick-or-Treating appears to be 0. I'm quite certain now, after trick or treating a couple of thousand times on all my alts (gah that's a bit depressing), that the Blood Elf and Draenei masks really are not in the game.

The distribution of masks has been fairly consistent. I have three characters who have 11 with less than one week to go in the event, and several others with 8-10. I might end up with a character or two who managed to get all 16 of the available masks by the end of the event, but I sure am not betting on it.

Drop rate of various treat items (masks, wands, rares, ...) per day seems a little erratic, but I haven't tracked it specifically.

tale의 댓글

Cloudrunner:

That's a lot of math.

In other words, in the time span allotted even someone trick or treating every hour available has a very low chance of getting all 20 masks.

Yes and no.

"No", I say, because someone trick or treating every hour throughout Hallow's End would have a better than even chance of getting 20 unique masks from the set of 20, and better than even odds is not "very low".

But "yes" because without the Blood Elf and Draenei masks in the game, there are really only 16 masks available but 20 still required for the achievement, so "zero chance" is indeed "very low".

tale의 댓글

Today, on the 11th day of Hallow's End with more than 2000 trick-or-treats and smashed pumpkins across my many characters, was the first day I have received a Blood Elf or Draenei mask. I think maybe it was added with this morning's maintenance. So now it does appear that the achievement might in fact be achievable, though the odds are still pretty terrible overall.

There are roughly 3.5 days left, a maximum of fewer than 90 more mask opportunities. I have one character with 12 masks and several others with 10-11. I am not betting that any of them will make the achievement.

Stig의 댓글

Seen a Draenei male mask drop on Nathrezim today.. seems like the items were added during the downtime.

Whinter의 댓글

I did a markov-chain approach to calculate the expectation value for the number of tries instead.

Assume that all the masks have the same probability, and that the probability to get a mask at all is p.

The expected number of tries until an event with probability p happens is 1/p. Then we have 19/20 masks left and the probability to get another one is 19p/20 which would take in average 20/(19p) tries

Thus the expected time, t, to get all 20 masks is:

t=(20/20+20/19+...+20/2+20/1)/p=20/p*(1+1/2+...+1/20)=H20*20/p

Where H20 is the 20th harmonic sum which is about 3.6.

If p=0.3 we need in average about 240 tries, if instead it is 0.2 we need in average about 360 tries.

t41n7ed의 댓글

I just looted a Flimsy Female Draenei Mask about 5 minutes ago, I am on my laptop so I don't have the wowhead tool installed. It looks like it may be possible to complete this achievement. It would just be very hard to finish it this year.

Odeha의 댓글

This achievement was fixed, I got one of the female Blood Elf masks yesterday. Will it still be removed as a requirement even though they fixed it? I mean I have been VERY religous about trick or treats as often as I can and still only have 12 out of 20 masks, this is a very hard achievement to obtain. And if it will still be removed as a requirement for "The Hallowed" surname will it be removed as a requirement to get the prototype drake mount once all seasonal achievements are completed?

bethmetal의 댓글

Just got the male Draenei mask, so it is in game a whole 4 days before the event is over for another year.

I have only gotten 2 masks in multiple trick or treats each day on multiple characters, so I am really glad they removed this from the Hallow's End meta achievement!

Madsen의 댓글

The Draenei and (i assume) Blood Elf masks are now in the game.

glyneth의 댓글

The achievement itself is not being removed, but it will be taken out of the requirements for the meta achievement; getting the Hallowed Be Thy Name title.

worlann의 댓글

I too am stuck on trying to find the Blood Elf and Draenei masks. It would be nice if they added those last four to a vendor or remove them from the achievement, because their drop rate is extremely low compared to the others, if they exist at all.

Nightster의 댓글

so... correct its getting removed? sometime? because im almost done with this achievement XD i need to just get candy baskets and then ruin the hallows end for the horde and im done! yay!

Colamisu의 댓글

Finally got a Blood Elf Mask today... I guess they added them in the maintenance today?

lagmar의 댓글

For final clarity. You would still have earned "A Mask for All Occasions" achievement for collecting all the masks. However, you do not have to get all the masks to complete "Hallowed Be Thy Name".

And I definitely got a female Draenei mask.

Zazkia의 댓글

I also did a simulation. these are my results, assuming droprate for a bag from the Trick&Treat is 33% and the droprate for all of the masks from the bag is 2% (each):

average 544.3401 trick&treats

Even if you did a Trick&Treat every hour, you couldn't do more than like 336 of them. So the odds of completing this achievement in one year's Hallow's End are very slim. As you can see from this graph I made of my simulation data, you would only have less than a 10% chance of completing the achievement, even if you did trick&treat every hour (no sleep!) for the entire duration of the Hallow's End.

ZyaX의 댓글

Out of curiosity, was anyone hardcore and lucky enough to complete it last year?

Allinone의 댓글

Allinone의 댓글

I was at 19/20 after last year's Hollow's End (only Flimsy Male Draenei Mask left).This year I received it on my second Trick or Treat.

Tic0의 댓글

Amazing how much over-complicated mathematics has been posted so far to answer the wrong question. People reading these comments probably (pun intended) do not want to know what kind of success percentage they are going to have doing 180 or 360 or any other n tries. They want to know two things: how many attempts are needed? How well am I doing?

Fortunately, the equations for average number of attempts needed are simple. First off, since the random factor of which mask we are actually getting when we get any has uniform discrete distribution, the first unique mask needs 1 try (20/20, since any of the 20 will do), the second requires on average1.0526 tries (20/19), the third requires on average 1.1111 tries (20/18) etc until the last one requires on average 20 tries (20/1). This is elementary statistics 101. And yes, it is the 20th harmonic number times 20, so we can simply look this up from table and get our result: 3.6*20 = 72 masks.

The second random factor is the frequency of getting any mask when using the cooldown and is simply 0.7*0.275 (not getting tricked assuming tricks occur 30% of the time times the drop rate of all masks in 1 treat bag getting some mask) = 19.25% chance of giving a mask.

Therefore, Mr. Joe Average will have 72 / 19.25% = 374 lovely discussions with his favourite innkeeper. Joe makes 5 attempts every day for the duration of the event (14 days), getting 70 tries in each year, knowing he will finish it in the sixth year. (Joe is hoping really really hard that the 4 new masks being introduced in Cataclysm don't make this even harder.) The majority of players will have similar results, while some extremely (un)lucky people get theirs some years sooner/later and the unfortunate few will still be without their achievement even when the game retires. Of course doubling the attempts per day will make you finish it in the 3rd year, so go for it, knowing you can the envy of your friends and guildies for years!

The second question is trivially answered by division between 20th harmonic number and Nth harmonic number, where N is number of masks left to collect. The most interesting numbers are:If you have 10 masks, you are ~20% done.If you have 15 masks, you are ~30% done.If you have 16 masks, you are ~40% done.If you have 18 masks, you are ~60% done.If you have 19 masks, you are ~72% done.If you have 20 masks, I hate you.

MikauSchekzen의 댓글

I have a very simple calculation for this. The chance to get all masks in one single Hallow's End is: pretty damn small.

clarkeyboy의 댓글

I just wish the masks were tradable, would make this another fun event, albeit exploitable by gold !@#$%s. :(

Rack의 댓글

I don't think anyone did, at least according to Wowhead. As of 10/22/09, the above commenter is the only person in the 18.2M profile DB that has the achievement, which is pretty strong evidence that he's the only person in the world with it.

grumpyhorn의 댓글

At first I thought this was lame that it's so hard to get this achievement, but if it wasn't for this, I wouldn't be participating much at all in the Hallows End festivities. Maybe HHM only. I don't know that it's that horrible that we need multiple years to get an achievement, but maybe it should be worth more than 20 points.

Nikelia의 댓글

I am really curious if somebody has done this so far.

ZorbaTHut의 댓글

There's at least four now, but Wowhead is refusing to update my armory. So there may be more. I wouldn't entirely trust Wowhead's profile DB to be constantly up-to-date.

dakoth의 댓글

You're lucky zlinko, that's all. This is my 2nd Hallow's End on my shaman, the first ended with 15 masks, and this one looks like it'll end with 19, unless I get lucky these last 3 days. That's with 15 trick or treats a day btw.

Update: got my last mask today, with 2 days left. Phew.

Xanthom의 댓글

Has anyone gotten this achievement yet? :o

lsnad의 댓글

Slyfanitor의 댓글

4 masks to go and only 10 times I can trick and treat before the event ends, And I got half of them last year, unless I get insanely lucky I will have to wait another year for this one, Goddamn that RNG!

GWARFEST의 댓글

A few of the top achievements on wow-achievements have it, but, overall? I would guess less than 50 worldwide. I picked up 11 masks this year (my first year doing it) and consider myself extremely lucky. Of those 11, I probably got 5 or 6 duplicate masks...the odds of getting a non-duplicate decrease exponentially the closer you get to 20.

Meldo의 댓글

After Blizzard changed the 'Love is in the air' festival and made all event related items buyable, there is a small chance that this also could happen to Hallow's End. This would trivialise this achievement and would it make one, which the majority of players can earn without staying up 24/7 for the entire event.

Phygar의 댓글

but closer to 33/66

Repeating, of course.

Chibimaru의 댓글

Amazing how much over-complicated mathematics has been posted so far to answer the wrong question. People reading these comments probably (pun intended) do not want to know what kind of success percentage they are going to have doing 180 or 360 or any other n tries. They want to know two things: how many attempts are needed? How well am I doing?

Fortunately, the equations for average number of attempts needed are simple. First off, since the random factor of which mask we are actually getting when we get any has uniform discrete distribution, the first unique mask needs 1 try (20/20, since any of the 20 will do), the second requires on average1.0526 tries (20/19), the third requires on average 1.1111 tries (20/18) etc until the last one requires on average 20 tries (20/1). This is elementary statistics 101. And yes, it is the 20th harmonic number times 20, so we can simply look this up from table and get our result: 3.6*20 = 72 masks.

The second random factor is the frequency of getting any mask when using the cooldown and is simply 0.7*0.275 (not getting tricked assuming tricks occur 30% of the time times the drop rate of all masks in 1 treat bag getting some mask) = 19.25% chance of giving a mask.

Therefore, Mr. Joe Average will have 72 / 19.25% = 374 lovely discussions with his favourite innkeeper. Joe makes 5 attempts every day for the duration of the event (14 days), getting 70 tries in each year, knowing he will finish it in the sixth year. (Joe is hoping really really hard that the 4 new masks being introduced in Cataclysm don't make this even harder.) The majority of players will have similar results, while some extremely (un)lucky people get theirs some years sooner/later and the unfortunate few will still be without their achievement even when the game retires. Of course doubling the attempts per day will make you finish it in the 3rd year, so go for it, knowing you can the envy of your friends and guildies for years!

The second question is trivially answered by division between 20th harmonic number and Nth harmonic number, where N is number of masks left to collect. The most interesting numbers are:If you have 10 masks, you are ~20% done.If you have 15 masks, you are ~30% done.If you have 16 masks, you are ~40% done.If you have 18 masks, you are ~60% done.If you have 19 masks, you are ~72% done.If you have 20 masks, I hate you.

That's a very logical, succinct and easy to follow explanation. Thank you! Will you please mentor my maths professor and help him expand his communication capacity beyond that of a brick wall?

Dakhath의 댓글

This will be year 3 for me working on this and I'm currently 9/20. Going to put in as many hours as humanly possible this time around. Prepping myself for the inevitable disappointment.

Nominium의 댓글

According to SK-gaming achievement rankingThere is 8 players missing only 1 achievement out of all.In 7/8 cases it's this one.I personally got 14/20 first year, and only one more the next year. (+ bunch of same ones I already had)Did around the 12hours a day both times.

One week to Hallow's End, good luck everyone!

Stonebald의 댓글

Also, Jesper, an orphan in Stormwind, and Spoops, an orphan in Orgrimmar, are both sick and can't join in the Hallow's End festivities themselves. Brave adventurers can make these two children feel better by speaking with certain innkeepers and bringing the treats they give you back to the orphans as a gift.

This new or have I been asleep at the switch?

If it is new, maybe this is a daily for getting the masks... like the Love is in the air changes this year that let you buy everything you were missing.

toob의 댓글

AND a headlesshorseman helm. Not OR. And it IS an actuall achievement for the meta. Could you seriously read this stuff before you post?

Uzume의 댓글

While doing "Smash the Pumpkin" in one of the level 10 villages of your faction, you'll earn a Crudely Wrapped Gift.

Surprise! Today, I found a Flimsy Mask in it.Awesome, it was one of the 8 I didn't have yet.I didn't know we could find Masks in this Gift.

Maybe this is new this year?

Matrist의 댓글

at the time the poster posted the Mask for all occasions was on the meta, things change in time

Animammal의 댓글

I have a feeling Blizzard made this achievement easier this year. After last year I was down to 6 masks needed for this achievement and although I've only received 2 masks so far this year, both have been ones I've needed. It could certainly be a fluke but maybe they changed it so you only get masks that you still need for the achievement. I guess I'll find out if I keep going and get all the masks I need in the next 4.

EDIT: Well so far this hasn't held up like I was hoping. I've received 3 more masks neither of which I needed. Maybe there's been a tweak to increase the odds of getting the masks you need but it certainly isn't 100% what you need when you get masks.

Cyaxeres의 댓글

Take from this what you will, but I've gotten 2 masks so far this year and both were ones I needed. Up from 14/20 to 16/20. Just my experience, but hopefully it can help determine if anything has actually changed.

Edit: I've now gotten 4 masks, 3 of which I needed. Also 3 masks in a row. 17/20 now.

Tylandria의 댓글

Same here. I was 16/20 missing both Draenei and Human Masks. This morning I recieved both Draenei Female and Male Masks. Now at 18/20, still missing both Male and Female Human.

Rafunkel의 댓글

It is not new this year.

Neruna의 댓글

Since today you'll always get a mask in the daily bag from the horseman. So that's 12 guaranteed mask drops this year. Plus the masks you get from the pumpkin daily and trick or treat.

I have also the feeling, that the dropchance of the masks from got doubled. I guess that more than 50% of my bags contained a mask.

Started at 15/20 this year. Got 18/20 after only 3 days.

tmptfate의 댓글

BE WARNED: This Achievement is quite literlly the BANE of most achievement hunters existence. It could take years to do this during the Hallows End Holiday if you dont "Trick or Treat" at every single chance possible.

JUst an update but i finally got this achievement done in 2010. I started in 2008 though... ugh... finally done.

ChaosInc의 댓글

Masks can be dropped via the Headless Horseman event. Just got my first one from it (as well as my mount!).

Chromell의 댓글

While I am not sure if there's a 100% chance of a mask dropping from the daily loot bag, I did receive one on each of my toons today from it.

If Neruna is right, players with 19/20 of the masks will have a 5% chance of completing the achievement upon opening the loot pumpkin (that is a very generous chance, if you ask me, always receiving a mask is wondrous compared to the things you could get from trick treating instead).

Also, IF at least one mask always drops from the loot pumpkin, you have 5% chance to get a mask you didn't have per mask you're missing (if you are 10/20 you have a 50% chance, etc) because a mask will always drop.

A nice addition from Blizzard, giving a nice, new way of obtaining masks while not trivializing the achievement.

Roadi의 댓글

It seems that you now only get the masks, which you haven't got already. So the achievement shouldn't be that rare anymore.

esememon의 댓글

False. I haven't gotten a single new mask this year. But lucky you?

GWARFEST의 댓글

Some misinformation floating around here. ONE thing has changed since last year - the horseman's loot bag will now always drop a mask. That's it. Nothing regarding droprates or duplicate masks has changed. All the comments about "oh higher chance for mask you don't have because I have 3 new ones" are anecdotal and meaningless. For instance, I have 3 new masks this year, and 4 duplicate ones.

The guaranteed mask in the pumpkin bag, however, is a nice change. As was stated above, it's a 1/20 chance you get the mask you're missing because it's always a mask.

rapt0220의 댓글

It is not guaranteed drop because 2/3 days that I have done the HH I did NOT receive a mask. Maybe it's a high chance, but it is definitely not guaranteed.

Sarkasmos의 댓글

That's because it was implemented 2 days after the holiday went live.

Grenadieris의 댓글

Your best bet on getting all the masks asap:1) do Trick or Treat every hour, anytime you can. Just have your char parked at any Innkeeper. Use timers (I use the one on my mobile), so you know when 59 minutes have passed. Always remember to have space in the bags or you wont get the Treat Bag, but will trigger the cooldown. Always remember to open the bag before logging out, or it will disappear after 15 minutes.2) do The Headless Horseman every day, I don't see a loot table, but Loot-Filled Pumpkin will always contain a mask too!3) do Let the Fires Come! each day (or just the second part Smash the Pumpkin if it is already present), so you can get Crudely Wrapped Gift as that also can contain masks.Good Luck!

nagasawa의 댓글

Lotte의 댓글

And... What's everyone's argument based on, again? Nobody except Blizzard knows if the droprate was altered. People who say "It's exactly like it was last year" are talking out of their asses just as much as everyone saying "There's a higher chance of looting a mask you don't already have." Either the droprate was changed to cater to players trying to complete the achievement and some people are getting extremely unlucky, or nothing was changed and some people are getting extremely lucky.

Aindrias의 댓글

bane? i have 8 masks left to get

Sarihiee의 댓글

Entirely luck based. I wasn't into achievements in BC because I thought they were worthless aside from the albino drake. I didn't participate at all in the Hallow's End except killing the HHM for a chance at the mount and pet. It wasn't until Halloween 09 that I even started and by the end I only needed one mask. I've trick-or-treated possibly 20 times since the holiday began this year and have received 4 male BE masks, a female troll, and a couple dwarf masks until I got the one I needed. At least now I don't need to make an effort to log on to trick or treat!

DrCheis의 댓글

I'm seeing a lot of posts about only getting new masks and a lot of posts about that being untrue, so I'll throw in my 2 cents.

My experience this year is better than previous years. My guess is that your odds of getting a mask you don't already have are increased somewhat. I've still gotten duplicate masks, but I seem to be getting "luckier" than I'd expect given how few masks I have yet to collect.

Paulosio의 댓글

Don't agree. I think the chance of getting a mask you have is exactly the same as for getting 1 you don't have but you can get lucky and it may feel like it's been made easier this year.

I started this years event needing 4 masks. With 4 days of the event remaining after having done HH and destroy the pumpkin every day and trick or treating around 10 times a day I still need 3 masks.

Blizz should change this achieve so that you are guaranteed to get a random mask if you get treated (even if it might be 1 you already have)... Not getting a single mask (not even 1 you already have) from 10+ trick or treats in a row is just stupid. There are too many items in the treat bag and it feels like the chance of getting 1 of them is about equal to getting a mask... and even if you do get a mask it probably wont be 1 you need.

3 different foods, squashling, hallowed helm, tooth picks, penny pouch, masks. 8 possible items from the tret bag... so around a 12.5% chance of getting a mask IF you don't get tricked... and then only a tiny chance of getting a mask you need. I don't mind achievements that are a bit luck based but this is too much.

Chungking의 댓글

Droprates on these masks from Trick or Treat'ing at Innkeepers has not gone up in 4.0.1

But they drop from HH's goodie bag everyone can get once a day. So there is a more likely chance to actually get this achieve' done this time.

This has helped me so far, and I have also Trick or Treat'ed 10 times a day since "holiday" start, but with few days left of the "holiday", I have low expectations for getting my 3 remainding masks.

Been at this achieve' 3 years now(?)

calibad의 댓글

I have been getting a high percentage of masks I need to masks I do not need. I only needed 6 to start this year. I now have only 2 left. It seems that if that I was only getting a mask 12.5% of the time(which I do believe), that it would be highly unlikely to get a mask that I actually need this often. I would estimate I received no more than 10 masks this year so far on this particular character. The game does have the ability to increase luck, as shown in the gold coins in the dalaran fishing pond. All of this opens up the possibility that they increase your chance to get a mask you do not have already.

If I get my last 2 before the end, I would definitely believe this to be true. I do believe this is one of the very few things in the games that are setup up like this, the only other I can think of would be the Dalaran fountain.

nagasawa의 댓글

i got this achievement finally at 3rd yearall i can say is.. try the best to visit the innkeeper EVERY HOUR, there is no shortcut

i heard some people suggest blizzard should change so-called random drop however, i would like to say blizzard HAS ALREADY REMOVED this from the mount requirement, we cannot always ask blizzard to change when we are not lucky enough

recall my memory.. at the 1st year the droprate for helm & pet from the treat bag almost zero (or not in the loot table)but many players asked blizzard to change so that low level players also able to get those and achievementand the trade-off is reducing mask droprate

Shaydaan의 댓글

Indeed, during this year of the Hallow's End I've been skipping school some days, going up almost every single hour during the nights just to trick or treat ... Still miss one and there is only 2 days left >.<

//The one and only

Melkoshi의 댓글

You were just really lucky. I been doing the boss every day and have only gotten a mask a few times. I've gotten NOTHING inside the loot bag aswell.

Random is random.

angrybanker의 댓글

Hi folks, well i just got this ach on the last day of Hallows end and i have to thank WOWhead posters for this.

I started this ach last year and needed 6 masks by this year, i got 5 pretty fast as i was doing trick or treat everyday from 9 am - 1 am.

This last day i had started losing hope that id have to wait till next year for 1 mask (Female human).

Bored and waiting for next trick or treat i thought id read wowhead on this ach and read that masks also drop from the daily Q putting the fires out, which i previously didnt know.

So off i went for the very first daily of hallows end and bingo the very mask i needed was from that daily!

So many thanks for posting and letting me know that the daily also gives masks.

Ive also passed on this info to another who is waiting on one mask as well and also didnt know this!

Keep up the good work!

Furydeath의 댓글

Lucky for me they started having the HH bag give them out that was the only way I got my last 2 i needed finally.

Laustia의 댓글

I like my math better. It makes sense to everyone, and works universally on all chance drops. Yes, I said ALL! This math is foolproof!

Chance of receiving item you want from drop = 50/50

Either you get it. Or you don't. =P(cowboy logic)

Emsarrev의 댓글

I just noticed that on the 4.2 PTR, they aren't called Flimsy Masks anymore. Also, they updated the achievement to include Worgen and Goblin masks, which changes the total masks needed from 20 to 24. Could this mean that they're changing this? If you look at the PTR version of the masks, they've become an item you can use to change your appearance instead of a mask that actually goes in your head slot.

chrth의 댓글

As of 4.2, you will be required to obtain 24 (up from 20) masks, as Male and Female Goblin and Worgen masks have been added. Those of us who only needed one more will now cry ourselves to sleep.

Treekachu의 댓글

Goblin and worgen masks added./wrists x infinity

yossarian의 댓글

no... four more and I only had one left...no... NO... NOOOOOOOOOOOOO...

Rexak의 댓글

What a joke. I feel utterly trolled. I only had one mask to go, the male orc mask. Now I have 5 to go. Seriously.

Cryless의 댓글

You've got to be joking, four more masks after doing this holiday for four years now and still missing two, NOW I HAVE TO GET SIX MORE?1? RAWR

centurio의 댓글

According to the information for 축제 사탕 now on US Battlenet, there will now be vendors which sell these masks for 2 Tricky Treats each, making the achievement infinitely easier. The vendors, Dorothy in SW and Chub in UC, will sell the masks, pets, Hallowed Helm and other items in exchange for Tricky Treats.

Hydomme의 댓글

I always knew statistics were good for something i'm just not sure what ...LOL

Sapper123의 댓글

Yup, this achievement has now been reduced to lolcat difficulty. Just finished a few dailies and I have enough masks to complete my achievement. Suddenly it doesn't feel like an achievement anymore :(

Warrok의 댓글

Handful of Treats also contains masks this year. The odds of getting one look pretty good so far (7 different masks after 19 opened).

Also note the masks are Unique as of 4.2 (contrary to the Flimsy Masks of 2008 - 2010). I haven't got a duplicate of a Mask I already have in my inventory. I did however get a duplicate of my first mask, since I destroyed/sold it before getting the next one.

Since there are now two new achievements for Hallow's End, namely Tricks and Treats of Northrend (Alliance / Horde) and Tricks and Treats of the Cataclysm (Alliance / Horde), you will probably want to get a lot of these anyway, so it may be worth your while.

So while some might feel trolled because the number of masks to get was upped from 20 to 24, this might alleviate obtaining this achievement significantly. Personally I was slightly upset last year, since I had 19 masks after 3 years of nonstop "farming" them.

Edit: Ok, apparently the achievement has been completely trivialized, by allowing players to purchase the masks. Apparently Blizzard figured this wasn't a fun holiday achievement.

hefron의 댓글

Vendor name is Farina (Horde) and you can find her at Undercity. Each mask cost 2 marks :) GL

Cryless의 댓글

Wow, words cannot express how truly furious I am about this change.

metalgod의 댓글

So where's the alliance vendor? Supposedly the NPC is Spanky but couldn't find any info about this kid. Please help

Mirrodin의 댓글

I am quite happy about this change with the npcs selling the masks, i remember last years (2010) that you have to talk to an innkeeper every time your debuff was gone that was lasting for 1 hour with a chance to get your mask and i managed to get half of them without the need to skip sleeping or raids or whatever.I am an achieve hunter but i don't care how i will get it and how hard it is as long as i get it, if it becomes easier then that's totally fine by me. :)

Terbovus의 댓글

Yoohoo!

Okay, they may have overdone it on making it too easy (maybe a revision to the purchase cost is in order), but at least now its achieveable. I've been farming the darn things for years and still had two (six with the new ones) to get, and was dreading missing the achieve again (its my last holiday achieve to get).

DawnArchitect의 댓글

This year I stacked a crate of food and drinks to make sure I'll check an innkeper every hour.

I got a friend of mine to handle Trick or Treats while I'm sleeping.

And now I can buy every last one of those masks for a couple of candies?

I AM OVERPREPARED!

doctorgray의 댓글

All in all, I'm happy, I spent last year constantly trying to get all the masks and ended up with 11/20. Apparently that's not bad for one year, but now I can simply do the Northrend/Cata achieves and buy all of my lovely masks in one swift go. Perfect.

Farelf의 댓글

Being able to buy missing masks from the last two years, I was finally able to complete this achieve this morning.

Thanks Blizz.. I didn't think I would ever get those last 4 masks.

Furydeath의 댓글

Now it's like all the other achievements everyone has it.

AzerateAeriePeak의 댓글

Ok did I miss anything? Browsing through Dorothy's wares and I cant seem to find the masks in there. Only the pets/helm etc.

Terminton의 댓글

Need to say what If you have some Masks in bag, you won't get same from 사탕 한 줌 or 전리품 가득한 호박 .

Edit: Confirmed.

jostor의 댓글

I have to agree with some above posters. The achievement might have been a bit "too much" with an extreme luck factor. But this way it's "too little" instead. They could have kept it as it was but have the masks for sale for ~100 tokens each to help you "fill in the gaps" and not just get the whole achievement done from scratch in 30 min.

Meralan의 댓글

The mask vendor is called Spanky, and is located 6 yrds infront of Dorothy. Hard to see for all the mounted ppl, but he is there.

Lynchburg의 댓글

Is this as well as the trick or treat buckets are both on your list of things to do, don't buy any masks until you've visited all the buckets you plan on visiting.

I ended up getting all the masks I needed from trick or treating and could use the candy on other stuff.

Adamsm의 댓글

This is the best thing to do; on one of my toons, got all but one mask just from going around collecting from the buckets....I had a crap ton of extra Treats but oh well lol; maybe I'll be able to get one of the extra items by the end of the holiday.

coreycubed의 댓글

There's another game which rewards you for collecting 24 unique masks with something far greater than 20 achievement points.

"You've met with a terrible fate, haven't you?"

Raaken의 댓글

I see spy!

Jingoistic의 댓글

I spent six years not getting this, so I'm fine with it.

PsychoBilli의 댓글

I, for one, am greatful for the changes to this achievement. I remember the first Love is in the Air holiday, where you had to check with Inn Keepers every hour in order to complete the meta. After that, I wound up leaving the game for a couple months because logging in every hour to ensure I'd complete it was just brutal. Forcing us to do the same for all the masks was just as bad, even if the achievement wasn't required for the meta. It was still there, still taunting me.

Now, if I could just convince myself that School of Hard Knocks isn't as bad as I build it up in my mind I'd be set.

Kaleana2의 댓글

Help! I equipped the male goblin mask, and can't dis-equip it again! I right-clicked the item again, it didn't remove the mask. I threw away the mask, no success either. I look really ugly and feel stupid. Any tips?

trizy의 댓글

Does anyone know the macro to remove a Halloween mask as my UI doesn't let me right click it off. :-(

Pandadood의 댓글

Sadly, the Pandaren have been excluded from the Festivities & do not have a mask for 2013.